The Collaborative International Dictionary of English v.0.48:
Thieve \Thieve\, v. t. & i. [imp. & p. p. Thieved; p. pr. & vb. n. Thieving.] [AS. ge[thorn]e['o]fian.] To practice theft; to steal. [1913 Webster]WordNet (r) 3.0 (2006):
thieve v 1: take by theft; "Someone snitched my wallet!" [syn: hook, snitch, thieve, cop, knock off, glom]